Sorry forgot to mentions the iText version. I am using iText-5.0.5.
-Susheela
On Mon, May 28, 2012 at 6:16 PM, Susheela Sundar <sushe...@pandesa.com>wrote:
> Hi,
>
> I am not able to watermark some of the scanned PDF documents and it does
> not give any error. The same code works fine for other PDF documents.
> The sample java code snippet used for watermarking is given below:
>
> String filePath = "E:\\inputfile.pdf";
> String tempFilePath = "E:\\outputfile.pdf";
> PdfReader reader = new PdfReader(filePath);
> int n = reader.getNumberOfPages();
> PdfStamper stamper = new PdfStamper(reader, new
> FileOutputStream(tempFilePath));
> // watermarkText = watermarkText.toUpperCase();
> PdfContentByte under;
> PdfGState gstate = new PdfGState();
> gstate.setFillOpacity(0.35f);
> gstate.setStrokeOpacity(0.35f);
> BaseFont font = BaseFont.createFont(BaseFont.HELVETICA_BOLD,
> BaseFont.WINANSI,
> BaseFont.NOT_EMBEDDED);
> int fontSize = 60;
> Rectangle size = reader.getPageSizeWithRotation(1);
> float angle = (float) ((180 * (Math.asin(size.getHeight()
> / Math.sqrt(size.getWidth() * size.getWidth() +
> size.getHeight() * size.getHeight())))) / Math.PI);
> int i=1;
> while (i < n+1) {
> under = stamper.getOverContent(i);
> under.setColorStroke(new BaseColor(127, 127, 255));
> i++;
> under.beginText();
>
> under.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE);
> under.setLineWidth(0.85f);
> //under.setLineDash(0.3f,0.3f);
> under.setLineDash(0.4f, 0.4f, 0.2f);
> under.setFontAndSize(font, fontSize);
> String lineText = " Watermarking test ";
> under.showTextAlignedKerned(Element.ALIGN_BOTTOM, lineText,
> 60, 120, angle);
> under.endText();
> }
> stamper.close();
> }
>
> What might be the problem in watermarking?
>
> Thanks,
> Susheela
>
>
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